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/** @file
IPF specific debugsupport types, macros, and definitions.
Copyright (c) 2004 - 2006 Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _PLDEBUG_SUPPORT_H_
#define _PLDEBUG_SUPPORT_H_
#include <Uefi.h>
#include <Protocol/DebugSupport.h>
#include <Protocol/LoadedImage.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseLib.h>
#include <Library/PcdLib.h>
#define DISABLE_INTERRUPTS 0UL
//
// The remaining definitions comprise the protocol members.
//
#define EFI_ISA IsaIpf
/**
IPF specific DebugSupport driver initialization.
Must be public because it's referenced from DebugSupport.c
@retval EFI_SUCCESS Always.
**/
EFI_STATUS
PlInitializeDebugSupportDriver (
VOID
);
/**
Unload handler that is called during UnloadImage() - deallocates pool memory
used by the driver. Must be public because it's referenced from DebugSuport.c
@param ImageHandle The firmware allocated handle for the EFI image.
@retval EFI_SUCCESS Always.
**/
EFI_STATUS
EFIAPI
PlUnloadDebugSupportDriver (
IN EFI_HANDLE ImageHandle
);
/**
C callable function to obtain the current value of IVA.
@return Current value of IVA.
**/
VOID *
GetIva (
VOID
);
/**
HookStub will be copied from it's loaded location into the IVT when
an IVT entry is hooked.
**/
VOID
HookStub (
VOID
);
/**
Chains an interrupt handler.
**/
VOID
ChainHandler (
VOID
);
/**
Unchains an interrupt handler.
**/
VOID
UnchainHandler (
VOID
);
/**
C callable function to enable/disable interrupts.
@param NewInterruptState New Interrupt State.
@return Previous state of psr.ic.
**/
UINT64
ProgramInterruptFlags (
IN UINT64 NewInterruptState
);
/**
Flushes instruction cache for specified number of bytes.
@param StartAddress Cache Start Address.
@param SizeInBytes Cache Size.
**/
VOID
InstructionCacheFlush (
IN VOID *StartAddress,
IN UINTN SizeInBytes
);
/**
This is a DebugSupport protocol member function, hard
coded to support only 1 processor for now.
@param This The DebugSupport instance
@param MaxProcessorIndex The maximuim supported processor index
@retval EFI_SUCCESS Always returned with **MaxProcessorIndex set to 0.
**/
EFI_STATUS
EFIAPI
GetMaximumProcessorIndex (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
OUT UINTN *MaxProcessorIndex
);
/**
DebugSupport protocol member function.
@param This The DebugSupport instance
@param ProcessorIndex Which processor the callback applies to.
@param PeriodicCallback Callback function
@retval EFI_SUCCESS Indicates the callback was registered.
@retval others Callback was not registered.
**/
EFI_STATUS
EFIAPI
RegisterPeriodicCallback (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
IN UINTN ProcessorIndex,
IN EFI_PERIODIC_CALLBACK PeriodicCallback
);
/**
DebugSupport protocol member function.
@param This The DebugSupport instance
@param ProcessorIndex Which processor the callback applies to.
@param NewCallback Callback function
@param ExceptionType Which exception to hook
@retval EFI_SUCCESS Indicates the callback was registered.
@retval others Callback was not registered.
**/
EFI_STATUS
EFIAPI
RegisterExceptionCallback (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
IN UINTN ProcessorIndex,
IN EFI_EXCEPTION_CALLBACK NewCallback,
IN EFI_EXCEPTION_TYPE ExceptionType
);
/**
DebugSupport protocol member function. Calls assembly routine to flush cache.
@param This The DebugSupport instance
@param ProcessorIndex Which processor the callback applies to.
@param Start Physical base of the memory range to be invalidated
@param Length mininum number of bytes in instruction cache to invalidate
@retval EFI_SUCCESS Always returned.
**/
EFI_STATUS
EFIAPI
InvalidateInstructionCache (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
IN UINTN ProcessorIndex,
IN VOID *Start,
IN UINTN Length
);
/**
C routine that is called for all registered exceptions. This is the main
exception dispatcher. Must be public because it's referenced from AsmFuncs.s.
@param ExceptionType Exception Type
@param Context System Context
**/
VOID
CommonHandler (
IN EFI_EXCEPTION_TYPE ExceptionType,
IN EFI_SYSTEM_CONTEXT Context
);
#endif
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